Reeds Spring, Missouri has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 7.9 °C (low) to 19.8 °C (high). Annual precipitation averages 1191.8 Millimeters. Reeds Spring is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -3.9 °C | 6.9 °C | 70.61 mm |
| February | -2.2 °C | 9.6 °C | 66.04 mm |
| March | 2.1 °C | 14.6 °C | 106.43 mm |
| April | 7.2 °C | 20 °C | 125.98 mm |
| May | 12.7 °C | 24.1 °C | 136.14 mm |
| June | 17.6 °C | 28.8 °C | 113.28 mm |
| July | 19.8 °C | 31.4 °C | 105.41 mm |
| August | 18.9 °C | 31.2 °C | 83.06 mm |
| September | 14.6 °C | 27.3 °C | 115.57 mm |
| October | 8.1 °C | 21.2 °C | 90.42 mm |
| November | 2.4 °C | 14.3 °C | 101.85 mm |
| December | -2.1 °C | 8.6 °C | 76.96 mm |
| Annual | 7.9 °C | 19.8 °C | 1191.75 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7a : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |